Description wfshbr64.sys and wfshbr32.sys specially crafted payload allows arbitrary user to perform bitwise operation with arbitrary EPROCESS offset and flags value to purposely elevate the game process to CodeGen Full protection by manipulating EPROCESS.Protection and EPROCESS.SignatureLevel flags (security hole as a feature).
The driver is signed by Microsoft hardware compatibility publisher that is submitted via Microsoft Hardware Program.
UUID : ddf661c0-7dfc-4c26-89c5-00cd6a81a139Created : 2023-06-05Author : Michael HaagDownload
This download link contains the malicious driver!
Block wfshbr64.sys across your endpoints Add this driver to your block policy in minutes with MagicSword, threat-driven application control. Free for up to 100 endpoints.
Start Blocking for Free Commands sc.exe create wfshbr64.sys binPath=C:\windows\temp\wfshbr64.sys type=kernel && sc.exe start wfshbr64.sys
Use Case Privileges Operating System Elevate privileges kernel Windows 10
Detections Sigma 🛡️ Expand Names
detects loading using name only
Hashes
detects loading using hashes only
Resources https://github.com/kkent030315/CVE-2022-42046 CVE CVE-2022-42046 Known Vulnerable Samples Download
Certificates Expand Certificate 3300000057ee4d659a923e7c10000000000057 Field Value ToBeSigned (TBS) MD5 fdc11a5676aed4e9cc0c09eeb7450dfb ToBeSigned (TBS) SHA1 4902077d9a05d4231b791d3b05bafa4a79132f03 ToBeSigned (TBS) SHA256 5db56c23d83bf67c7152e28ad4a684a7372b4ae4f52afe7a81ce91eef94caec3 Subject C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher ValidFrom 2022-06-07 18:08:06 ValidTo 2023-06-01 18:08:06 Signature 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 SignatureAlgorithmOID 1.2.840.113549.1.1.11 IsCertificateAuthority False SerialNumber 3300000057ee4d659a923e7c10000000000057 Version 3
Certificate 330000000d690d5d7893d076df00000000000d Field Value ToBeSigned (TBS) MD5 83f69422963f11c3c340b81712eef319 ToBeSigned (TBS) SHA1 0c5e5f24590b53bc291e28583acb78e5adc95601 ToBeSigned (TBS) SHA256 d8be9e4d9074088ef818bc6f6fb64955e90378b2754155126feebbbd969cf0ae Subject C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014 ValidFrom 2014-10-15 20:31:27 ValidTo 2029-10-15 20:41:27 Signature 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 SignatureAlgorithmOID 1.2.840.113549.1.1.11 IsCertificateAuthority True SerialNumber 330000000d690d5d7893d076df00000000000d Version 3
Imports Expand Imported Functions Expand IoDeleteDevice IoDeleteSymbolicLink RtlInitUnicodeString IofCompleteRequest PsGetCurrentProcessId IoGetCurrentProcess IoCreateSymbolicLink IoCreateDevice Exported Functions Expand Sections Expand .text .rdata .data .pdata .info INIT Signature Expand {
"Certificates": [
{
"CertificateType": "Leaf (Code Signing)",
"IsCA": false,
"IsCertificateAuthority": false,
"IsCodeSigning": true,
"SerialNumber": "3300000057ee4d659a923e7c10000000000057",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
"Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher",
"TBS": {
"MD5": "fdc11a5676aed4e9cc0c09eeb7450dfb",
"SHA1": "4902077d9a05d4231b791d3b05bafa4a79132f03",
"SHA256": "5db56c23d83bf67c7152e28ad4a684a7372b4ae4f52afe7a81ce91eef94caec3",
"SHA384": "c952d7f0e0ea5216ce4400601fb7c0829f0f3fcd6eb2b5b9112fbe45d133e00c4abd660f8e1794f7ac4ef95123e2c0ab"
},
"ValidFrom": "2022-06-07 18:08:06",
"ValidTo": "2023-06-01 18:08:06",
"Version": 3
},
{
"CertificateType": "CA",
"IsCA": true,
"IsCertificateAuthority": true,
"IsCodeSigning": false,
"SerialNumber": "330000000d690d5d7893d076df00000000000d",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
"Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014",
"TBS": {
"MD5": "83f69422963f11c3c340b81712eef319",
"SHA1": "0c5e5f24590b53bc291e28583acb78e5adc95601",
"SHA256": "d8be9e4d9074088ef818bc6f6fb64955e90378b2754155126feebbbd969cf0ae",
"SHA384": "260ad59ba706420f68ba212931153bd89f760c464b21be55fba9d014fff322407859d4ebfb78ea9a3330f60dc9821a63"
},
"ValidFrom": "2014-10-15 20:31:27",
"ValidTo": "2029-10-15 20:41:27",
"Version": 3
}
],
"CertificatesInfo": "",
"Signer": [
{
"Issuer": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014",
"SerialNumber": "3300000057ee4d659a923e7c10000000000057",
"Version": 1
}
],
"SignerInfo": ""
}
Download
Certificates Expand Certificate 330000004de597a775e3157f7b00000000004d Field Value ToBeSigned (TBS) MD5 9f0782e89bd41cdd96ec55357457478a ToBeSigned (TBS) SHA1 35c2180572baad19019acca1334e6c653699c389 ToBeSigned (TBS) SHA256 50814710213afec410f26e573d25267a2e21d3d15f158be8a43a666c9cc6fa08 Subject C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher ValidFrom 2021-09-09 19:15:59 ValidTo 2022-09-01 19:15:59 Signature 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 SignatureAlgorithmOID 1.2.840.113549.1.1.11 IsCertificateAuthority False SerialNumber 330000004de597a775e3157f7b00000000004d Version 3
Certificate 330000000d690d5d7893d076df00000000000d Field Value ToBeSigned (TBS) MD5 83f69422963f11c3c340b81712eef319 ToBeSigned (TBS) SHA1 0c5e5f24590b53bc291e28583acb78e5adc95601 ToBeSigned (TBS) SHA256 d8be9e4d9074088ef818bc6f6fb64955e90378b2754155126feebbbd969cf0ae Subject C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014 ValidFrom 2014-10-15 20:31:27 ValidTo 2029-10-15 20:41:27 Signature 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 SignatureAlgorithmOID 1.2.840.113549.1.1.11 IsCertificateAuthority True SerialNumber 330000000d690d5d7893d076df00000000000d Version 3
Imports Expand Imported Functions Expand IoDeleteDevice IoDeleteSymbolicLink RtlInitUnicodeString IofCompleteRequest PsGetCurrentProcessId IoGetCurrentProcess IoCreateSymbolicLink IoCreateDevice Exported Functions Expand Sections Expand .text .rdata .data .pdata .info INIT Signature Expand {
"Certificates": [
{
"CertificateType": "Leaf (Code Signing)",
"IsCA": false,
"IsCertificateAuthority": false,
"IsCodeSigning": true,
"SerialNumber": "3300000057ee4d659a923e7c10000000000057",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
"Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher",
"TBS": {
"MD5": "fdc11a5676aed4e9cc0c09eeb7450dfb",
"SHA1": "4902077d9a05d4231b791d3b05bafa4a79132f03",
"SHA256": "5db56c23d83bf67c7152e28ad4a684a7372b4ae4f52afe7a81ce91eef94caec3",
"SHA384": "c952d7f0e0ea5216ce4400601fb7c0829f0f3fcd6eb2b5b9112fbe45d133e00c4abd660f8e1794f7ac4ef95123e2c0ab"
},
"ValidFrom": "2022-06-07 18:08:06",
"ValidTo": "2023-06-01 18:08:06",
"Version": 3
},
{
"CertificateType": "CA",
"IsCA": true,
"IsCertificateAuthority": true,
"IsCodeSigning": false,
"SerialNumber": "330000000d690d5d7893d076df00000000000d",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
"Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014",
"TBS": {
"MD5": "83f69422963f11c3c340b81712eef319",
"SHA1": "0c5e5f24590b53bc291e28583acb78e5adc95601",
"SHA256": "d8be9e4d9074088ef818bc6f6fb64955e90378b2754155126feebbbd969cf0ae",
"SHA384": "260ad59ba706420f68ba212931153bd89f760c464b21be55fba9d014fff322407859d4ebfb78ea9a3330f60dc9821a63"
},
"ValidFrom": "2014-10-15 20:31:27",
"ValidTo": "2029-10-15 20:41:27",
"Version": 3
}
],
"CertificatesInfo": "",
"Signer": [
{
"Issuer": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014",
"SerialNumber": "3300000057ee4d659a923e7c10000000000057",
"Version": 1
}
],
"SignerInfo": ""
}
source
last_updated: 2026-05-04